One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...

There’s a very handy new tool from Microsoft called the Database Experimentation Assistant (DEA). The DEA makes it very easy to conduct A/B testing for SQL Server upgrades, providing quantitative ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

In SQL Server 2017, when the query optimizer encounters code with a multi-statement TVF, the query optimizer will pause optimization, execute the TVF subtree to get a very accurate cardinality ...